Dart Big M Engine Block - Bare Block - 4.500 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213444 AA0220BG1R59 Moly formula coats surfaces with

Moly formula coats surfaces with film that chemically bonds itself to metals

2017-2017 Audi A4 allroad

1995-2006 Chevrolet Tahoe

Bushings are honed to fit

Dart Big M Engine Block - Bare Block - 4.500 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213444 AA0220BG1R59 Moly formula coats surfaces withProduct Description: Engine Big M Bare Block 4. 500 in Bore 9. 800 Deck 4 Bolt Main 2 Piece Seal Iron Big Block Chevy Sold Individually Since 1981, Dart Machinery has become the acknowledged leader in producing race winning components. Dart Machinery aluminum and cast iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in house, manufactured on Dartas own CNC machining